55156744 has 8 divisors (see below), whose sum is σ = 103418910. Its totient is φ = 27578368.

The previous prime is 55156733. The next prime is 55156757. The reversal of 55156744 is 44765155.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 54612100 + 544644 = 7390^2 + 738^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3447289 + ... + 3447304.

Almost surely, 2^55156744 is an apocalyptic number.

It is an amenable number.

55156744 is a deficient number, since it is larger than the sum of its proper divisors (48262166).

55156744 is a wasteful number, since it uses less digits than its factorization.

55156744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6894599 (or 6894595 counting only the distinct ones).

The product of its digits is 84000, while the sum is 37.

The square root of 55156744 is about 7426.7586469469. The cubic root of 55156744 is about 380.6561700831.

The spelling of 55156744 in words is "fifty-five million, one hundred fifty-six thousand, seven hundred forty-four".