53778762 has 16 divisors (see below), whose sum is σ = 119508480. Its totient is φ = 17926236.

The previous prime is 53778713. The next prime is 53778787. The reversal of 53778762 is 26787735.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497898 + ... + 498005.

It is an arithmetic number, because the mean of its divisors is an integer number (7469280).

Almost surely, 2^53778762 is an apocalyptic number.

53778762 is an abundant number, since it is smaller than the sum of its proper divisors (65729718).

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

53778762 is a wasteful number, since it uses less digits than its factorization.

53778762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995914 (or 995908 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 53778762 is about 7333.4004390869. The cubic root of 53778762 is about 377.4594187624.

The spelling of 53778762 in words is "fifty-three million, seven hundred seventy-eight thousand, seven hundred sixty-two".