64501950 has 24 divisors (see below), whose sum is σ = 159965208. Its totient is φ = 17200480.

The previous prime is 64501939. The next prime is 64501973. The reversal of 64501950 is 5910546.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214857 + ... + 215156.

It is an arithmetic number, because the mean of its divisors is an integer number (6665217).

Almost surely, 2^64501950 is an apocalyptic number.

64501950 is an abundant number, since it is smaller than the sum of its proper divisors (95463258).

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

64501950 is a wasteful number, since it uses less digits than its factorization.

64501950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430028 (or 430023 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 64501950 is about 8031.3106028842. The cubic root of 64501950 is about 401.0430071431.

The spelling of 64501950 in words is "sixty-four million, five hundred one thousand, nine hundred fifty".