51907401 has 48 divisors (see below), whose sum is σ = 93882880. Its totient is φ = 26904960.

The previous prime is 51907399. The next prime is 51907421. The reversal of 51907401 is 10470915.

It is not a de Polignac number, because 51907401 - 2¹ = 51907399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51907421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 49440 + ... + 50478.

Almost surely, 2^51907401 is an apocalyptic number.

It is an amenable number.

51907401 is a deficient number, since it is larger than the sum of its proper divisors (41975479).

51907401 is a wasteful number, since it uses less digits than its factorization.

51907401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126 (or 1123 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 51907401 is about 7204.6791045820. The cubic root of 51907401 is about 373.0294283983.

The spelling of 51907401 in words is "fifty-one million, nine hundred seven thousand, four hundred one".