55901070 has 32 divisors (see below), whose sum is σ = 149070240. Its totient is φ = 14906880.

The previous prime is 55901057. The next prime is 55901089. The reversal of 55901070 is 7010955.

55901070 is a `hidden beast` number, since 5 + 590 + 1 + 0 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103251 + ... + 103790.

It is an arithmetic number, because the mean of its divisors is an integer number (4658445).

Almost surely, 2^55901070 is an apocalyptic number.

55901070 is an abundant number, since it is smaller than the sum of its proper divisors (93169170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55901070 is a wasteful number, since it uses less digits than its factorization.

55901070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207057 (or 207051 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 27.

The square root of 55901070 is about 7476.7018129654. The cubic root of 55901070 is about 382.3608105632.

The spelling of 55901070 in words is "fifty-five million, nine hundred one thousand, seventy".