55774156 has 12 divisors (see below), whose sum is σ = 97657560. Its totient is φ = 27872000.

The previous prime is 55774141. The next prime is 55774171. The reversal of 55774156 is 65147755.

It is a happy number.

55774156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55774141) and next prime (55774171).

It is a super-2 number, since 2×55774156² = 6221512955024672, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10860 + ... + 15148.

It is an arithmetic number, because the mean of its divisors is an integer number (8138130).

Almost surely, 2^55774156 is an apocalyptic number.

It is an amenable number.

55774156 is a deficient number, since it is larger than the sum of its proper divisors (41883404).

55774156 is a wasteful number, since it uses less digits than its factorization.

55774156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7544 (or 7542 counting only the distinct ones).

The product of its digits is 147000, while the sum is 40.

The square root of 55774156 is about 7468.2096917534. The cubic root of 55774156 is about 382.0712292821.

The spelling of 55774156 in words is "fifty-five million, seven hundred seventy-four thousand, one hundred fifty-six".