53780058 has 16 divisors (see below), whose sum is σ = 119511360. Its totient is φ = 17926668.

The previous prime is 53780039. The next prime is 53780059. The reversal of 53780058 is 85008735.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53780059) 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, 497910 + ... + 498017.

It is an arithmetic number, because the mean of its divisors is an integer number (7469460).

Almost surely, 2^53780058 is an apocalyptic number.

53780058 is an abundant number, since it is smaller than the sum of its proper divisors (65731302).

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

53780058 is a wasteful number, since it uses less digits than its factorization.

53780058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995938 (or 995932 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 53780058 is about 7333.4888013823. The cubic root of 53780058 is about 377.4624508359.

The spelling of 53780058 in words is "fifty-three million, seven hundred eighty thousand, fifty-eight".