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55015119 = 344191621
BaseRepresentation
bin1101000111011…
…1011011001111
310211112001120000
43101313123033
5103040440434
65243055343
71235422635
oct321673317
9124461500
1055015119
1129066745
1216511553
13b523033
147441355
154c6ab99
hex34776cf

55015119 has 20 divisors (see below), whose sum is σ = 82430040. Its totient is φ = 36566640.

The previous prime is 55015109. The next prime is 55015123. The reversal of 55015119 is 91151055.

It is not a de Polignac number, because 55015119 - 27 = 55014991 is a prime.

It is a super-2 number, since 2×550151192 = 6053326637168322, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 55015092 and 55015101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55015109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 33129 + ... + 34749.

It is an arithmetic number, because the mean of its divisors is an integer number (4121502).

Almost surely, 255015119 is an apocalyptic number.

55015119 is a deficient number, since it is larger than the sum of its proper divisors (27414921).

55015119 is a wasteful number, since it uses less digits than its factorization.

55015119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052 (or 2043 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 27.

The square root of 55015119 is about 7417.2177398267. The cubic root of 55015119 is about 380.3300894523.

The spelling of 55015119 in words is "fifty-five million, fifteen thousand, one hundred nineteen".

Divisors: 1 3 9 27 81 419 1257 1621 3771 4863 11313 14589 33939 43767 131301 679199 2037597 6112791 18338373 55015119