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55029495 = 3531118343
BaseRepresentation
bin1101000111101…
…0111011110111
310211112210021110
43101322323313
5103041420440
65243250103
71235512563
oct321727367
9124483243
1055029495
1129076524
1216519933
13b529741
1474466a3
154c70080
hex347aef7

55029495 has 16 divisors (see below), whose sum is σ = 90888192. Its totient is φ = 28402080.

The previous prime is 55029479. The next prime is 55029497. The reversal of 55029495 is 59492055.

It is not a de Polignac number, because 55029495 - 24 = 55029479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55029497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58707 + ... + 59636.

It is an arithmetic number, because the mean of its divisors is an integer number (5680512).

Almost surely, 255029495 is an apocalyptic number.

55029495 is a deficient number, since it is larger than the sum of its proper divisors (35858697).

55029495 is a wasteful number, since it uses less digits than its factorization.

55029495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118382.

The product of its (nonzero) digits is 81000, while the sum is 39.

The square root of 55029495 is about 7418.1867730598. The cubic root of 55029495 is about 380.3632145840.

The spelling of 55029495 in words is "fifty-five million, twenty-nine thousand, four hundred ninety-five".

Divisors: 1 3 5 15 31 93 155 465 118343 355029 591715 1775145 3668633 11005899 18343165 55029495