53763690 has 64 divisors (see below), whose sum is σ = 137479680. Its totient is φ = 13409280.

The previous prime is 53763683. The next prime is 53763733. The reversal of 53763690 is 9636735.

It is a super-2 number, since 2×53763690² = 5781068724832200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138016 + ... + 138404.

It is an arithmetic number, because the mean of its divisors is an integer number (2148120).

Almost surely, 2^53763690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53763690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68739840).

53763690 is an abundant number, since it is smaller than the sum of its proper divisors (83715990).

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

53763690 is a wasteful number, since it uses less digits than its factorization.

53763690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687.

The product of its (nonzero) digits is 102060, while the sum is 39.

The square root of 53763690 is about 7332.3727401163. The cubic root of 53763690 is about 377.4241532926.

The spelling of 53763690 in words is "fifty-three million, seven hundred sixty-three thousand, six hundred ninety".