55507734 has 32 divisors (see below), whose sum is σ = 123594240. Its totient is φ = 18466056.

The previous prime is 55507723. The next prime is 55507757. The reversal of 55507734 is 43770555.

55507734 is a `hidden beast` number, since 5 + 550 + 77 + 34 = 666.

It is a super-2 number, since 2×55507734² = 6162217067629512, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51687 + ... + 52749.

It is an arithmetic number, because the mean of its divisors is an integer number (3862320).

Almost surely, 2^55507734 is an apocalyptic number.

55507734 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

55507734 is an abundant number, since it is smaller than the sum of its proper divisors (68086506).

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

55507734 is a wasteful number, since it uses less digits than its factorization.

55507734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041 (or 2035 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 36.

The square root of 55507734 is about 7450.3512668867. The cubic root of 55507734 is about 381.4618987237.

The spelling of 55507734 in words is "fifty-five million, five hundred seven thousand, seven hundred thirty-four".