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55015360053 = 318338453351
BaseRepresentation
bin110011001111001010…
…111100011000110101
312021000010002212012220
4303033022330120311
51400132413010203
641135042032553
73655221562503
oct631712743065
9167003085186
1055015360053
1121371811315
12a7b4648759
135259b48ab4
14293c86d673
15166ed32653
hexccf2bc635

55015360053 has 4 divisors (see below), whose sum is σ = 73353813408. Its totient is φ = 36676906700.

The previous prime is 55015360031. The next prime is 55015360061. The reversal of 55015360053 is 35006351055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55015360053 - 25 = 55015360021 is a prime.

It is a super-2 number, since 2×550153600532 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55015359996 and 55015360023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55015360553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9169226673 + ... + 9169226678.

It is an arithmetic number, because the mean of its divisors is an integer number (18338453352).

Almost surely, 255015360053 is an apocalyptic number.

It is an amenable number.

55015360053 is a deficient number, since it is larger than the sum of its proper divisors (18338453355).

55015360053 is a wasteful number, since it uses less digits than its factorization.

55015360053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18338453354.

The product of its (nonzero) digits is 33750, while the sum is 33.

The spelling of 55015360053 in words is "fifty-five billion, fifteen million, three hundred sixty thousand, fifty-three".

Divisors: 1 3 18338453351 55015360053