55761633 has 6 divisors (see below), whose sum is σ = 80544594. Its totient is φ = 37174416.

The previous prime is 55761631. The next prime is 55761661. The reversal of 55761633 is 33616755.

It is a happy number.

55761633 is a `hidden beast` number, since 5 + 5 + 7 + 616 + 33 = 666.

It can be written as a sum of positive squares in only one way, i.e., 41563809 + 14197824 = 6447^2 + 3768^2 .

It is not a de Polignac number, because 55761633 - 2¹ = 55761631 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55761631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3097860 + ... + 3097877.

It is an arithmetic number, because the mean of its divisors is an integer number (13424099).

Almost surely, 2^55761633 is an apocalyptic number.

It is an amenable number.

55761633 is a deficient number, since it is larger than the sum of its proper divisors (24782961).

55761633 is a wasteful number, since it uses less digits than its factorization.

55761633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6195743 (or 6195740 counting only the distinct ones).

The product of its digits is 56700, while the sum is 36.

The square root of 55761633 is about 7467.3712241993. The cubic root of 55761633 is about 382.0426315916.

The spelling of 55761633 in words is "fifty-five million, seven hundred sixty-one thousand, six hundred thirty-three".