53977401 has 8 divisors (see below), whose sum is σ = 79966560. Its totient is φ = 35984916.

The previous prime is 53977393. The next prime is 53977403. The reversal of 53977401 is 10477935.

It is a happy number.

It is not a de Polignac number, because 53977401 - 2³ = 53977393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53977403) 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, 999555 + ... + 999608.

It is an arithmetic number, because the mean of its divisors is an integer number (9995820).

Almost surely, 2^53977401 is an apocalyptic number.

It is an amenable number.

53977401 is a deficient number, since it is larger than the sum of its proper divisors (25989159).

53977401 is a wasteful number, since it uses less digits than its factorization.

53977401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999172 (or 1999166 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 53977401 is about 7346.9314002514. The cubic root of 53977401 is about 377.9235799153.

The spelling of 53977401 in words is "fifty-three million, nine hundred seventy-seven thousand, four hundred one".