55763390 has 16 divisors (see below), whose sum is σ = 100678032. Its totient is φ = 22237824.

The previous prime is 55763387. The next prime is 55763489. The reversal of 55763390 is 9336755.

It is a Curzon number.

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, 4904 + ... + 11643.

It is an arithmetic number, because the mean of its divisors is an integer number (6292377).

Almost surely, 2^55763390 is an apocalyptic number.

55763390 is a deficient number, since it is larger than the sum of its proper divisors (44914642).

55763390 is a wasteful number, since it uses less digits than its factorization.

55763390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16891.

The product of its (nonzero) digits is 85050, while the sum is 38.

The square root of 55763390 is about 7467.4888684216. The cubic root of 55763390 is about 382.0466441585.

The spelling of 55763390 in words is "fifty-five million, seven hundred sixty-three thousand, three hundred ninety".