52140051 has 8 divisors (see below), whose sum is σ = 77244560. Its totient is φ = 34760016.

The previous prime is 52140043. The next prime is 52140059. The reversal of 52140051 is 15004125.

It is an interprime number because it is at equal distance from previous prime (52140043) and next prime (52140059).

It is not a de Polignac number, because 52140051 - 2³ = 52140043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52140059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 965530 + ... + 965583.

It is an arithmetic number, because the mean of its divisors is an integer number (9655570).

Almost surely, 2^52140051 is an apocalyptic number.

52140051 is a deficient number, since it is larger than the sum of its proper divisors (25104509).

52140051 is a wasteful number, since it uses less digits than its factorization.

52140051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931122 (or 1931116 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 52140051 is about 7220.8068108765. The cubic root of 52140051 is about 373.5859062732.

Adding to 52140051 its reverse (15004125), we get a palindrome (67144176).

The spelling of 52140051 in words is "fifty-two million, one hundred forty thousand, fifty-one".