55931486 has 8 divisors (see below), whose sum is σ = 90350904. Its totient is φ = 25814520.

The previous prime is 55931467. The next prime is 55931501. The reversal of 55931486 is 68413955.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×55931486² = 6256662252336392, 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 3 ways as a sum of consecutive naturals, for example, 1075580 + ... + 1075631.

It is an arithmetic number, because the mean of its divisors is an integer number (11293863).

Almost surely, 2^55931486 is an apocalyptic number.

55931486 is a deficient number, since it is larger than the sum of its proper divisors (34419418).

55931486 is a wasteful number, since it uses less digits than its factorization.

55931486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151226.

The product of its digits is 129600, while the sum is 41.

The square root of 55931486 is about 7478.7355883197. The cubic root of 55931486 is about 382.4301460145.

The spelling of 55931486 in words is "fifty-five million, nine hundred thirty-one thousand, four hundred eighty-six".