51962292 has 18 divisors (see below), whose sum is σ = 131349218. Its totient is φ = 17320752.

The previous prime is 51962291. The next prime is 51962297. The reversal of 51962292 is 29226915.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39388176 + 12574116 = 6276^2 + 3546^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1443397 = 51962292 / (5 + 1 + 9 + 6 + 2 + 2 + 9 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51962291) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 721663 + ... + 721734.

Almost surely, 2^51962292 is an apocalyptic number.

It is an amenable number.

51962292 is an abundant number, since it is smaller than the sum of its proper divisors (79386926).

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

51962292 is a wasteful number, since it uses less digits than its factorization.

51962292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443407 (or 1443402 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 51962292 is about 7208.4874973881. The cubic root of 51962292 is about 373.1608723707.

The spelling of 51962292 in words is "fifty-one million, nine hundred sixty-two thousand, two hundred ninety-two".