52977902 has 4 divisors (see below), whose sum is σ = 79466856. Its totient is φ = 26488950.

The previous prime is 52977893. The next prime is 52977907. The reversal of 52977902 is 20977925.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 52977902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52977907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13244474 + ... + 13244477.

It is an arithmetic number, because the mean of its divisors is an integer number (19866714).

Almost surely, 2^52977902 is an apocalyptic number.

52977902 is a deficient number, since it is larger than the sum of its proper divisors (26488954).

52977902 is a wasteful number, since it uses less digits than its factorization.

52977902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26488953.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 52977902 is about 7278.5920341780. The cubic root of 52977902 is about 375.5763628802.

The spelling of 52977902 in words is "fifty-two million, nine hundred seventy-seven thousand, nine hundred two".