51672950 has 96 divisors (see below), whose sum is σ = 117849600. Its totient is φ = 16816800.

The previous prime is 51672941. The next prime is 51672991. The reversal of 51672950 is 5927615.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 51672950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 394385 + ... + 394515.

It is an arithmetic number, because the mean of its divisors is an integer number (1227600).

Almost surely, 2^51672950 is an apocalyptic number.

51672950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51672950 is an abundant number, since it is smaller than the sum of its proper divisors (66176650).

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

51672950 is a wasteful number, since it uses less digits than its factorization.

51672950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 51672950 is about 7188.3899449042. The cubic root of 51672950 is about 372.4669580169.

The spelling of 51672950 in words is "fifty-one million, six hundred seventy-two thousand, nine hundred fifty".