51962620 has 24 divisors (see below), whose sum is σ = 109418400. Its totient is φ = 20728512.

The previous prime is 51962611. The next prime is 51962633. The reversal of 51962620 is 2626915.

It is a super-2 number, since 2×51962620² = 5400227754528800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4441 + ... + 11119.

It is an arithmetic number, because the mean of its divisors is an integer number (4559100).

Almost surely, 2^51962620 is an apocalyptic number.

It is an amenable number.

51962620 is an abundant number, since it is smaller than the sum of its proper divisors (57455780).

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

51962620 is a wasteful number, since it uses less digits than its factorization.

51962620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7077 (or 7075 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 51962620 is about 7208.5102483107. The cubic root of 51962620 is about 373.1616575331.

The spelling of 51962620 in words is "fifty-one million, nine hundred sixty-two thousand, six hundred twenty".