511540054 has 8 divisors (see below), whose sum is σ = 777821400. Its totient is φ = 252266256.

The previous prime is 511540027. The next prime is 511540063. The reversal of 511540054 is 450045115.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1751704 + ... + 1751995.

It is an arithmetic number, because the mean of its divisors is an integer number (97227675).

Almost surely, 2^511540054 is an apocalyptic number.

511540054 is a deficient number, since it is larger than the sum of its proper divisors (266281346).

511540054 is a wasteful number, since it uses less digits than its factorization.

511540054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503774.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 511540054 is about 22617.2512476649. The cubic root of 511540054 is about 799.7603730225.

Adding to 511540054 its reverse (450045115), we get a palindrome (961585169).

The spelling of 511540054 in words is "five hundred eleven million, five hundred forty thousand, fifty-four".