53890407 has 16 divisors (see below), whose sum is σ = 80352480. Its totient is φ = 35695296.

The previous prime is 53890379. The next prime is 53890411. The reversal of 53890407 is 70409835.

It is a de Polignac number, because none of the positive numbers 2^k-53890407 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53890427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2118 + ... + 10595.

It is an arithmetic number, because the mean of its divisors is an integer number (5022030).

Almost surely, 2^53890407 is an apocalyptic number.

53890407 is a deficient number, since it is larger than the sum of its proper divisors (26462073).

53890407 is a wasteful number, since it uses less digits than its factorization.

53890407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12879 (or 12873 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 53890407 is about 7341.0085819320. The cubic root of 53890407 is about 377.7204408144.

The spelling of 53890407 in words is "fifty-three million, eight hundred ninety thousand, four hundred seven".