53722756 has 24 divisors (see below), whose sum is σ = 98550144. Its totient is φ = 25576320.

The previous prime is 53722729. The next prime is 53722763. The reversal of 53722756 is 65722735.

It is a super-2 number, since 2×53722756² = 5772269024471072, which contains 22 as substring.

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, 20961 + ... + 23383.

It is an arithmetic number, because the mean of its divisors is an integer number (4106256).

Almost surely, 2^53722756 is an apocalyptic number.

It is an amenable number.

53722756 is a deficient number, since it is larger than the sum of its proper divisors (44827388).

53722756 is a wasteful number, since it uses less digits than its factorization.

53722756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691 (or 2689 counting only the distinct ones).

The product of its digits is 88200, while the sum is 37.

The square root of 53722756 is about 7329.5808884274. The cubic root of 53722756 is about 377.3283426388.

It can be divided in two parts, 5372 and 2756, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 53722756 in words is "fifty-three million, seven hundred twenty-two thousand, seven hundred fifty-six".