54232140 has 48 divisors (see below), whose sum is σ = 152484192. Its totient is φ = 14401536.

The previous prime is 54232133. The next prime is 54232147. The reversal of 54232140 is 4123245.

It is an interprime number because it is at equal distance from previous prime (54232133) and next prime (54232147).

It is a super-2 number, since 2×54232140² = 5882250017959200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54232147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13662 + ... + 17178.

It is an arithmetic number, because the mean of its divisors is an integer number (3176754).

Almost surely, 2^54232140 is an apocalyptic number.

It is an amenable number.

54232140 is an abundant number, since it is smaller than the sum of its proper divisors (98252052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54232140 is a wasteful number, since it uses less digits than its factorization.

54232140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3786 (or 3784 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 54232140 is about 7364.2474157242. The cubic root of 54232140 is about 378.5171667469.

Adding to 54232140 its reverse (4123245), we get a palindrome (58355385).

It can be divided in two parts, 542321 and 40, that added together give a triangular number (542361 = T₁₀₄₁).

The spelling of 54232140 in words is "fifty-four million, two hundred thirty-two thousand, one hundred forty".