52401492 has 216 divisors, whose sum is σ = 167862240. Its totient is φ = 14152320.

The previous prime is 52401457. The next prime is 52401493. The reversal of 52401492 is 29410425.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52401493) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1806934 + ... + 1806962.

It is an arithmetic number, because the mean of its divisors is an integer number (777140).

Almost surely, 2^52401492 is an apocalyptic number.

52401492 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52401492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83931120).

52401492 is an abundant number, since it is smaller than the sum of its proper divisors (115460748).

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

52401492 is a wasteful number, since it uses less digits than its factorization.

52401492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 52401492 is about 7238.8874835848. The cubic root of 52401492 is about 374.2092778612.

The spelling of 52401492 in words is "fifty-two million, four hundred one thousand, four hundred ninety-two".