55135737 has 12 divisors (see below), whose sum is σ = 79777620. Its totient is φ = 36693888.

The previous prime is 55135733. The next prime is 55135781. The reversal of 55135737 is 73753155.

It is a happy number.

55135737 is a `hidden beast` number, since 551 + 35 + 73 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5517801 + 49617936 = 2349^2 + 7044^2 .

It is not a de Polignac number, because 55135737 - 2² = 55135733 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55135733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 589 + ... + 10517.

It is an arithmetic number, because the mean of its divisors is an integer number (6648135).

Almost surely, 2^55135737 is an apocalyptic number.

It is an amenable number.

55135737 is a deficient number, since it is larger than the sum of its proper divisors (24641883).

55135737 is a wasteful number, since it uses less digits than its factorization.

55135737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10552 (or 10549 counting only the distinct ones).

The product of its digits is 55125, while the sum is 36.

The square root of 55135737 is about 7425.3442344446. The cubic root of 55135737 is about 380.6078383714.

The spelling of 55135737 in words is "fifty-five million, one hundred thirty-five thousand, seven hundred thirty-seven".