56120955 has 16 divisors (see below), whose sum is σ = 97956864. Its totient is φ = 27210080.

The previous prime is 56120951. The next prime is 56120969. The reversal of 56120955 is 55902165.

It is not a de Polignac number, because 56120955 - 2² = 56120951 is a prime.

It is a super-2 number, since 2×56120955² = 6299123180224050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (56120951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169899 + ... + 170228.

It is an arithmetic number, because the mean of its divisors is an integer number (6122304).

Almost surely, 2^56120955 is an apocalyptic number.

56120955 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56120955 is a deficient number, since it is larger than the sum of its proper divisors (41835909).

56120955 is a wasteful number, since it uses less digits than its factorization.

56120955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340146.

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 56120955 is about 7491.3920602249. The cubic root of 56120955 is about 382.8614891796.

It can be divided in two parts, 56120 and 955, that added together give a palindrome (57075).

The spelling of 56120955 in words is "fifty-six million, one hundred twenty thousand, nine hundred fifty-five".