51937655 has 32 divisors (see below), whose sum is σ = 78133248. Its totient is φ = 32198400.

The previous prime is 51937649. The next prime is 51937667. The reversal of 51937655 is 55673915.

It is not a de Polignac number, because 51937655 - 2⁶ = 51937591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120290 + ... + 120720.

It is an arithmetic number, because the mean of its divisors is an integer number (2441664).

Almost surely, 2^51937655 is an apocalyptic number.

51937655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51937655 is a deficient number, since it is larger than the sum of its proper divisors (26195593).

51937655 is a wasteful number, since it uses less digits than its factorization.

51937655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767.

The product of its digits is 141750, while the sum is 41.

The square root of 51937655 is about 7206.7784064726. The cubic root of 51937655 is about 373.1018871757.

The spelling of 51937655 in words is "fifty-one million, nine hundred thirty-seven thousand, six hundred fifty-five".