55938351 has 12 divisors (see below), whose sum is σ = 86761752. Its totient is φ = 31964688.

The previous prime is 55938349. The next prime is 55938359. The reversal of 55938351 is 15383955.

It is a happy number.

It is not a de Polignac number, because 55938351 - 2¹ = 55938349 is a prime.

It is a super-2 number, since 2×55938351² = 6258198225198402, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55938359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190120 + ... + 190413.

It is an arithmetic number, because the mean of its divisors is an integer number (7230146).

Almost surely, 2^55938351 is an apocalyptic number.

55938351 is a deficient number, since it is larger than the sum of its proper divisors (30823401).

55938351 is a wasteful number, since it uses less digits than its factorization.

55938351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380550 (or 380543 counting only the distinct ones).

The product of its digits is 81000, while the sum is 39.

The square root of 55938351 is about 7479.1945421950. The cubic root of 55938351 is about 382.4457917968.

The spelling of 55938351 in words is "fifty-five million, nine hundred thirty-eight thousand, three hundred fifty-one".