51020088 has 32 divisors (see below), whose sum is σ = 145772160. Its totient is φ = 14577120.

The previous prime is 51020083. The next prime is 51020107. The reversal of 51020088 is 88002015.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51020083) 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, 151678 + ... + 152013.

It is an arithmetic number, because the mean of its divisors is an integer number (4555380).

Almost surely, 2^51020088 is an apocalyptic number.

It is an amenable number.

51020088 is an abundant number, since it is smaller than the sum of its proper divisors (94752072).

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

51020088 is a wasteful number, since it uses less digits than its factorization.

51020088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303707 (or 303703 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 51020088 is about 7142.8347313934. The cubic root of 51020088 is about 370.8916600368.

The spelling of 51020088 in words is "fifty-one million, twenty thousand, eighty-eight".