55151055 has 12 divisors (see below), whose sum is σ = 95595240. Its totient is φ = 29413872.

The previous prime is 55151039. The next prime is 55151081. The reversal of 55151055 is 55015155.

55151055 is a `hidden beast` number, since 551 + 5 + 105 + 5 = 666.

It is not a de Polignac number, because 55151055 - 2⁴ = 55151039 is a prime.

It is a super-2 number, since 2×55151055² = 6083277735226050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 612745 + ... + 612834.

It is an arithmetic number, because the mean of its divisors is an integer number (7966270).

Almost surely, 2^55151055 is an apocalyptic number.

55151055 is a deficient number, since it is larger than the sum of its proper divisors (40444185).

55151055 is a wasteful number, since it uses less digits than its factorization.

55151055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225590 (or 1225587 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The square root of 55151055 is about 7426.3756301442. The cubic root of 55151055 is about 380.6430823671.

The spelling of 55151055 in words is "fifty-five million, one hundred fifty-one thousand, fifty-five".