52907040 has 192 divisors, whose sum is σ = 190753920. Its totient is φ = 13685760.

The previous prime is 52907027. The next prime is 52907053. The reversal of 52907040 is 4070925.

52907040 = T₃₃₉ + T₃₄₀ + ... + T₇₀₈.

It is an interprime number because it is at equal distance from previous prime (52907027) and next prime (52907053).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 52906995 and 52907013.

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, 159675 + ... + 160005.

It is an arithmetic number, because the mean of its divisors is an integer number (993510).

Almost surely, 2^52907040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52907040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95376960).

52907040 is an abundant number, since it is smaller than the sum of its proper divisors (137846880).

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

52907040 is a wasteful number, since it uses less digits than its factorization.

52907040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 52907040 is about 7273.7225682590. The cubic root of 52907040 is about 375.4088341171.

Adding to 52907040 its reverse (4070925), we get a palindrome (56977965).

The spelling of 52907040 in words is "fifty-two million, nine hundred seven thousand, forty".