55465749 has 16 divisors (see below), whose sum is σ = 83400640. Its totient is φ = 36424080.

The previous prime is 55465741. The next prime is 55465759. The reversal of 55465749 is 94756455.

55465749 is a `hidden beast` number, since 554 + 6 + 57 + 49 = 666.

It is not a de Polignac number, because 55465749 - 2³ = 55465741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55465741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13522 + ... + 17139.

It is an arithmetic number, because the mean of its divisors is an integer number (5212540).

Almost surely, 2^55465749 is an apocalyptic number.

It is an amenable number.

55465749 is a deficient number, since it is larger than the sum of its proper divisors (27934891).

55465749 is a wasteful number, since it uses less digits than its factorization.

55465749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30737 (or 30731 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 55465749 is about 7447.5330814975. The cubic root of 55465749 is about 381.3656976100.

The spelling of 55465749 in words is "fifty-five million, four hundred sixty-five thousand, seven hundred forty-nine".