55791351 has 96 divisors (see below), whose sum is σ = 107827200. Its totient is φ = 27518400.

The previous prime is 55791347. The next prime is 55791383. The reversal of 55791351 is 15319755.

55791351 = T₃₉₃ + T₃₉₄ + ... + T₇₃₃.

It is not a de Polignac number, because 55791351 - 2² = 55791347 is a prime.

It is a super-2 number, since 2×55791351² = 6225349692810402, which contains 22 as substring.

Its product of digits (23625) is a multiple of the sum of its prime divisors (105).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55791451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1052641 + ... + 1052693.

It is an arithmetic number, because the mean of its divisors is an integer number (1123200).

Almost surely, 2^55791351 is an apocalyptic number.

55791351 is a deficient number, since it is larger than the sum of its proper divisors (52035849).

55791351 is a wasteful number, since it uses less digits than its factorization.

55791351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 105 counting only the distinct ones).

The product of its digits is 23625, while the sum is 36.

The square root of 55791351 is about 7469.3608160270. The cubic root of 55791351 is about 382.1104890411.

The spelling of 55791351 in words is "fifty-five million, seven hundred ninety-one thousand, three hundred fifty-one".