55153105 has 32 divisors (see below), whose sum is σ = 80213760. Its totient is φ = 35562240.

The previous prime is 55153093. The next prime is 55153121. The reversal of 55153105 is 50135155.

It is not a de Polignac number, because 55153105 - 2⁹ = 55152593 is a prime.

It is a super-2 number, since 2×55153105² = 6083729982282050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55153105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130795 + ... + 131215.

It is an arithmetic number, because the mean of its divisors is an integer number (2506680).

Almost surely, 2^55153105 is an apocalyptic number.

It is an amenable number.

55153105 is a deficient number, since it is larger than the sum of its proper divisors (25060655).

55153105 is a wasteful number, since it uses less digits than its factorization.

55153105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649.

The product of its (nonzero) digits is 1875, while the sum is 25.

The square root of 55153105 is about 7426.5136504284. The cubic root of 55153105 is about 380.6477985576.

The spelling of 55153105 in words is "fifty-five million, one hundred fifty-three thousand, one hundred five".