54969156 has 72 divisors (see below), whose sum is σ = 152914944. Its totient is φ = 16511040.

The previous prime is 54969139. The next prime is 54969163. The reversal of 54969156 is 65196945.

It is a happy number.

54969156 is a `hidden beast` number, since 5 + 496 + 9 + 156 = 666.

It is a super-2 number, since 2×54969156² = 6043216222704672, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49746 + ... + 50838.

Almost surely, 2^54969156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54969156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76457472).

54969156 is an abundant number, since it is smaller than the sum of its proper divisors (97945788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54969156 is a wasteful number, since it uses less digits than its factorization.

54969156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241 (or 1236 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 54969156 is about 7414.1186934119. The cubic root of 54969156 is about 380.2241429249.

The spelling of 54969156 in words is "fifty-four million, nine hundred sixty-nine thousand, one hundred fifty-six".