55758534 has 16 divisors (see below), whose sum is σ = 120095472. Its totient is φ = 17156448.

The previous prime is 55758511. The next prime is 55758557. The reversal of 55758534 is 43585755.

It is an interprime number because it is at equal distance from previous prime (55758511) and next prime (55758557).

It is a super-2 number, since 2×55758534² = 6218028227658312, 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 7 ways as a sum of consecutive naturals, for example, 357349 + ... + 357504.

It is an arithmetic number, because the mean of its divisors is an integer number (7505967).

Almost surely, 2^55758534 is an apocalyptic number.

55758534 is an abundant number, since it is smaller than the sum of its proper divisors (64336938).

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

55758534 is a wasteful number, since it uses less digits than its factorization.

55758534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714871.

The product of its digits is 420000, while the sum is 42.

The square root of 55758534 is about 7467.1637185748. The cubic root of 55758534 is about 382.0355540128.

The spelling of 55758534 in words is "fifty-five million, seven hundred fifty-eight thousand, five hundred thirty-four".