51930460 has 24 divisors (see below), whose sum is σ = 111113856. Its totient is φ = 20379840.

The previous prime is 51930457. The next prime is 51930467. The reversal of 51930460 is 6403915.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51930467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23436 + ... + 25555.

It is an arithmetic number, because the mean of its divisors is an integer number (4629744).

Almost surely, 2^51930460 is an apocalyptic number.

It is an amenable number.

51930460 is an abundant number, since it is smaller than the sum of its proper divisors (59183396).

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

51930460 is a wasteful number, since it uses less digits than its factorization.

51930460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49053 (or 49051 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 51930460 is about 7206.2792063589. The cubic root of 51930460 is about 373.0846575950.

The spelling of 51930460 in words is "fifty-one million, nine hundred thirty thousand, four hundred sixty".