55901902 has 16 divisors (see below), whose sum is σ = 96323040. Its totient is φ = 23835168.

The previous prime is 55901893. The next prime is 55901927. The reversal of 55901902 is 20910955.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7377 + ... + 12892.

It is an arithmetic number, because the mean of its divisors is an integer number (6020190).

Almost surely, 2^55901902 is an apocalyptic number.

55901902 is a deficient number, since it is larger than the sum of its proper divisors (40421138).

55901902 is a wasteful number, since it uses less digits than its factorization.

55901902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20475.

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 55901902 is about 7476.7574522650. The cubic root of 55901902 is about 382.3627075013.

The spelling of 55901902 in words is "fifty-five million, nine hundred one thousand, nine hundred two".