40757553 has 16 divisors (see below), whose sum is σ = 60498240. Its totient is φ = 27119232.

The previous prime is 40757543. The next prime is 40757569. The reversal of 40757553 is 35575704.

It is not a de Polignac number, because 40757553 - 2⁴ = 40757537 is a prime.

It is a super-2 number, since 2×40757553² = 3322356253095618, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (40757543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17050 + ... + 19292.

It is an arithmetic number, because the mean of its divisors is an integer number (3781140).

Almost surely, 2^40757553 is an apocalyptic number.

40757553 is the 4038-th heptagonal number.

It is an amenable number.

40757553 is a deficient number, since it is larger than the sum of its proper divisors (19740687).

40757553 is a wasteful number, since it uses less digits than its factorization.

40757553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2925 (or 2919 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 36.

The square root of 40757553 is about 6384.1642366092. The cubic root of 40757553 is about 344.1406970212.

It can be divided in two parts, 4075 and 7553, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 40757553 in words is "forty million, seven hundred fifty-seven thousand, five hundred fifty-three".