52699977 has 60 divisors (see below), whose sum is σ = 91408240. Its totient is φ = 30151440.

The previous prime is 52699943. The next prime is 52699979. The reversal of 52699977 is 77999625.

It is not a de Polignac number, because 52699977 - 2¹⁰ = 52698953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52699979) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 186078 + ... + 186360.

Almost surely, 2^52699977 is an apocalyptic number.

52699977 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

52699977 is a deficient number, since it is larger than the sum of its proper divisors (38708263).

52699977 is a wasteful number, since it uses less digits than its factorization.

52699977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 316 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 54.

The square root of 52699977 is about 7259.4749810162. The cubic root of 52699977 is about 374.9184462653.

It can be divided in two parts, 526999 and 77, that added together give a square (527076 = 726²).

The spelling of 52699977 in words is "fifty-two million, six hundred ninety-nine thousand, nine hundred seventy-seven".