53514780 has 48 divisors (see below), whose sum is σ = 163465344. Its totient is φ = 12973120.

The previous prime is 53514779. The next prime is 53514817. The reversal of 53514780 is 8741535.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39882 + ... + 41201.

It is an arithmetic number, because the mean of its divisors is an integer number (3405528).

Almost surely, 2^53514780 is an apocalyptic number.

It is an amenable number.

53514780 is an abundant number, since it is smaller than the sum of its proper divisors (109950564).

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

53514780 is a wasteful number, since it uses less digits than its factorization.

53514780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81106 (or 81104 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 53514780 is about 7315.3796893941. The cubic root of 53514780 is about 376.8407980040.

The spelling of 53514780 in words is "fifty-three million, five hundred fourteen thousand, seven hundred eighty".