54021753 has 12 divisors (see below), whose sum is σ = 79692288. Its totient is φ = 35247960.

The previous prime is 54021727. The next prime is 54021761. The reversal of 54021753 is 35712045.

It is a happy number.

It is not a de Polignac number, because 54021753 - 2¹² = 54017657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54021713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63433 + ... + 64278.

It is an arithmetic number, because the mean of its divisors is an integer number (6641024).

Almost surely, 2^54021753 is an apocalyptic number.

It is an amenable number.

54021753 is a deficient number, since it is larger than the sum of its proper divisors (25670535).

54021753 is a wasteful number, since it uses less digits than its factorization.

54021753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127764 (or 127761 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 54021753 is about 7349.9491834978. The cubic root of 54021753 is about 378.0270619745.

Adding to 54021753 its reverse (35712045), we get a palindrome (89733798).

The spelling of 54021753 in words is "fifty-four million, twenty-one thousand, seven hundred fifty-three".