55413747 has 32 divisors (see below), whose sum is σ = 87296000. Its totient is φ = 34642080.

The previous prime is 55413733. The next prime is 55413763. The reversal of 55413747 is 74731455.

It is a happy number.

It is not a de Polignac number, because 55413747 - 2⁷ = 55413619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55413707) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55422 + ... + 56412.

It is an arithmetic number, because the mean of its divisors is an integer number (2728000).

Almost surely, 2^55413747 is an apocalyptic number.

55413747 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

55413747 is a deficient number, since it is larger than the sum of its proper divisors (31882253).

55413747 is a wasteful number, since it uses less digits than its factorization.

55413747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128 (or 1122 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 55413747 is about 7444.0410396504. The cubic root of 55413747 is about 381.2464770077.

The spelling of 55413747 in words is "fifty-five million, four hundred thirteen thousand, seven hundred forty-seven".