51415848 has 48 divisors (see below), whose sum is σ = 151912800. Its totient is φ = 15580320.

The previous prime is 51415841. The next prime is 51415873. The reversal of 51415848 is 84851415.

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).

It is not an unprimeable number, because it can be changed into a prime (51415841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31668 + ... + 33251.

It is an arithmetic number, because the mean of its divisors is an integer number (3164850).

Almost surely, 2^51415848 is an apocalyptic number.

It is an amenable number.

51415848 is an abundant number, since it is smaller than the sum of its proper divisors (100496952).

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

51415848 is a wasteful number, since it uses less digits than its factorization.

51415848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64942 (or 64935 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The square root of 51415848 is about 7170.4845024587. The cubic root of 51415848 is about 371.8481864055.

The spelling of 51415848 in words is "fifty-one million, four hundred fifteen thousand, eight hundred forty-eight".