55790655 has 8 divisors (see below), whose sum is σ = 89265072. Its totient is φ = 29755008.

The previous prime is 55790641. The next prime is 55790677. The reversal of 55790655 is 55609755.

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

It is not a de Polignac number, because 55790655 - 2⁴ = 55790639 is a prime.

It is a super-2 number, since 2×55790655² = 6225194370658050, 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, 1859674 + ... + 1859703.

It is an arithmetic number, because the mean of its divisors is an integer number (11158134).

Almost surely, 2^55790655 is an apocalyptic number.

55790655 is a deficient number, since it is larger than the sum of its proper divisors (33474417).

55790655 is a wasteful number, since it uses less digits than its factorization.

55790655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3719385.

The product of its (nonzero) digits is 236250, while the sum is 42.

The square root of 55790655 is about 7469.3142255498. The cubic root of 55790655 is about 382.1089000851.

The spelling of 55790655 in words is "fifty-five million, seven hundred ninety thousand, six hundred fifty-five".